红外光谱法分析聚异丁烯中的α-烯烃含量  

MEASUREMENT OF α OLEFIN CONTENT IN POLYISOBUTENE WITH INFRARED SPECTROSCOPY

作　　者：邓景辉[1] 刘苹[1] 杨永璧[1] 张镜诚[1] 

机构地区：[1]石油化工科学研究院

出　　处：《石油炼制与化工》1998年第12期38-40,共3页Petroleum Processing and Petrochemicals

摘　　要：建立了红外光谱法分析低相对分子质量聚异丁烯中α－烯烃含量的方法。利用红外光谱的差谱技术，选择７２５ｃｍ－１处峰作为差谱终点判据。调整差减因子可得样品的差谱图。该方法操作简单，准确度在±５．２％以内，可以实现快速分析的要求。A practical method for determination of the percentage quantity of α olefins in polyisobutene of low molecular weight was developed with infrared technique. The end point of spectrum difference was selected at the peak of 725 cm -1 and the spectrum difference chart of the sample can be obtained by adjusting the factor of difference. The accuracy of the method was within ±5.2%.

关 键 词：聚异丁烯 红外光谱 烯烃 内燃机油 滴水油添加剂 

分 类 号：TE624.82[石油与天然气工程—油气加工工程] TE622.14